The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Effect of Alkali Cations on Aluminum Incorporation in Geopolymeric Gels
Abstract
In geopolymeric gels, aluminum is known to have tetrahedral coordination and to be associated with an alkali cation to satisfy electronic neutrality. However, the mechanism of aluminum incorporation and the effects of different synthesis parameters are not well understood. 2 H, 27 Al, and 23 Na MAS NMR techniques have been used to elucidate the structural properties and mechanism of aluminum incorporation in metakaolin-based geopolymers. Na + (aq) and Al(OH) 4 - (aq) species were detected in the pore solution of geopolymers with Si/Al ratios of ≤1.40 and found to be directly related to the concentration of soluble silicate in the activating solution used for synthesis. The relative concentration of Na + (aq) in sodium and mixed-alkali geopolymers indicated a preferential incorporation of potassium into geopolymeric gels during curing. This work demonstrates a direct link between the composition of the silicate activator and aluminum incorporation in geopolymeric gels.
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Citations
Cites
Adsorption of Gases in Multimolecular Layers
Brunauer, S., Emmett, P. H., & Teller, E. (1938) · Journal of the American Chemical Society · doi:10.1021/ja01269a023 · Cited by 28,156
Oelkers, E. H., & Gislason, S. R. (2001) · Geochimica et Cosmochimica Acta · doi:10.1016/s0016-7037(01)00664-0 · Cited by 498
Cited by
Geopolymer technology: The current state of the art
Duxson, P., Fernández-Jiménez, A., Provis, J. L., Lukey, G. C., Palomo, A., & van Deventer, J. S. J. (2007) · Journal of Materials Science · doi:10.1007/s10853-006-0637-z · Cited by 4,742
Self-citationNew cements for the 21st century: The pursuit of an alternative to Portland cement
Shi, C., Jiménez, A. F., & Palomo, A. (2011) · Cement and Concrete Research · doi:10.1016/j.cemconres.2011.03.016 · Cited by 1,691
Geopolymers and Related Alkali-Activated Materials
Provis, J. L., & Bernal, S. A. (2014) · Annual Review of Materials Research · doi:10.1146/annurev-matsci-070813-113515 · Cited by 1,597
A review: The comparison between alkali-activated slag (Si + Ca) and metakaolin (Si + Al) cements
Li, C., Sun, H., & Li, L. (2010) · Cement and Concrete Research · doi:10.1016/j.cemconres.2010.03.020 · Cited by 1,108
Fly ash-based geopolymer: clean production, properties and applications
Zhuang, X. Y., Chen, L., Komarneni, S., Zhou, C. H., Tong, D. S., Yang, H. M., Yu, W. H., & Wang, H. (2016) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2016.03.019 · Cited by 1,020
Metadata
- Authors
- Duxson, P., Lukey, G. C., Separovic, F., & van Deventer, J. S. J.
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-01-21
- Volume
- 44
- Issue
- 4
- Pages
- 832-839
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- OpenAlex
- W2012333171
- Cited by
- 470
- References
- 2
- FWCI
- 44.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Duxson, P., Lukey, G. C., Separovic, F., & van Deventer, J. S. J. (2005). Effect of Alkali Cations on Aluminum Incorporation in Geopolymeric Gels. Industrial & Engineering Chemistry Research. https://doi.org/10.1021/ie0494216
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